Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.streams.facebook.test; import com.fasterxml.jackson.databind.DeserializationFeature; import com.fasterxml.jackson.databind.ObjectMapper; import com.google.common.base.Joiner; import org.apache.commons.io.IOUtils; import org.apache.commons.io.input.BoundedInputStream; import org.apache.streams.facebook.Post; import org.apache.streams.facebook.serializer.FacebookActivityUtil; import org.apache.streams.jackson.StreamsJacksonMapper; import org.apache.streams.pojo.json.Activity; import org.junit.Assert; import org.junit.Test; import org.junit.Ignore; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.InputStream; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNotNull; public class FacebookPostSerDeTest { private final static Logger LOGGER = LoggerFactory.getLogger(FacebookPostSerDeTest.class); private ObjectMapper mapper = StreamsJacksonMapper.getInstance(); @Test public void Tests() { mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, Boolean.TRUE); mapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, Boolean.TRUE); mapper.configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, Boolean.TRUE); InputStream is = FacebookPostSerDeTest.class.getResourceAsStream("/testpost.json"); Joiner joiner = Joiner.on(" ").skipNulls(); is = new BoundedInputStream(is, 10000); String json; try { json = joiner.join(IOUtils.readLines(is)); LOGGER.debug(json); Post ser = mapper.readValue(json, Post.class); String de = mapper.writeValueAsString(ser); LOGGER.debug(de); Post serde = mapper.readValue(de, Post.class); Assert.assertEquals(ser, serde); LOGGER.debug(mapper.writeValueAsString(serde)); Activity activity = new Activity(); FacebookActivityUtil.updateActivity(ser, activity); assertNotNull(activity); assertNotNull(activity.getActor().getId()); assertNotNull(activity.getActor().getDisplayName()); assertNotNull(activity.getId()); assert (activity.getVerb().equals("post")); assertNotNull(activity.getObject()); assertNotNull(activity.getUpdated()); assertNotNull(activity.getPublished()); assertEquals(activity.getProvider().getId(), "id:providers:facebook"); assertEquals(activity.getProvider().getDisplayName(), "Facebook"); assertEquals(activity.getLinks().size(), 1); assertNotNull(activity.getAdditionalProperties().get("extensions")); } catch (Exception e) { System.out.println(e); e.printStackTrace(); Assert.fail(); } } }